Primeval star Ben Miller has insised that the show has a bright future ahead.

The actor told SFX that the sci-fi drama, which was axed and subsequently revived, is "completely built to last".

"It can just keep on going," he suggested. "You've got all the human stories between the cast and those have always been really, really well written. There's lots of comedy, there's good dramatic love stories... in there as well, and you've got people being chased around by massive things with big teeth. What's not sustainable about that?"

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Miller also admitted that his character Lester has "warmed up a lot" throughout the show's run.

"Lester's still the same person, but he has changed throughout the series," he said. "That's what I really love about the show, that he has developed as a character."

He continued: "To begin with, what's changed is his attitude. He's still the same person, but his attitude was extremely condescending towards... his team in those early days. That's changed."